This script checks various configuration items on the Exchange server to make sure they match the recommendations published in the "Exchange 2013 Sizing and Configuration Recommendations" guidance on TechNet. It also reports on Operating System and hardware information. You can run it remotely against a single server or a group of servers. The script looks at some of the most common configuration causes of Exchange Server performance cases that we encounter in support and allows you to rule them out quickly without having to check each server or read through the entire TechNet guidance.
For additional links to articles, blog posts, and tools related to Exchange Performance, check out https://aka.ms/exchangeperf.